import 'dart:async';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:finlytic_app/features/favorites/repositories/favorites_repository.dart';
import 'favorites_event.dart';
import 'favorites_state.dart';

class FavoritesBloc extends Bloc<FavoritesEvent, FavoritesState> {
  final FavoritesRepository repository;

  FavoritesBloc({required this.repository}) : super(FavoritesInitial()) {
    on<LoadFavorites>(_onLoadFavorites);
  }

  Future<void> _onLoadFavorites(LoadFavorites event, Emitter<FavoritesState> emit) async {
    emit(FavoritesLoading());
    try {
      final favorites = await repository.fetchFavoritesDetails(event.symbols);
      emit(FavoritesLoaded(favorites));
    } catch (e) {
      emit(const FavoritesError("Fehler beim Laden der Favoriten."));
    }
  }
}